/*
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.integration.xml.config;
import org.w3c.dom.Element;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.FilterFactoryBean;
import org.springframework.integration.config.xml.AbstractConsumerEndpointParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.xml.selector.XmlValidatingMessageSelector;
import org.springframework.util.StringUtils;
/**
* @author Jonas Partner
* @author Oleg Zhurakousky
* @author Artem Bilan
*/
public class XmlPayloadValidatingFilterParser extends AbstractConsumerEndpointParser {
@Override
protected BeanDefinitionBuilder parseHandler(Element element, ParserContext parserContext) {
BeanDefinitionBuilder filterBuilder = BeanDefinitionBuilder.genericBeanDefinition(FilterFactoryBean.class);
IntegrationNamespaceUtils.setReferenceIfAttributeDefined(filterBuilder, element, "discard-channel");
IntegrationNamespaceUtils.setValueIfAttributeDefined(filterBuilder, element, "throw-exception-on-rejection");
BeanDefinitionBuilder selectorBuilder = BeanDefinitionBuilder.genericBeanDefinition(XmlValidatingMessageSelector.class);
String validator = element.getAttribute("xml-validator");
String schemaLocation = element.getAttribute("schema-location");
boolean validatorDefined = StringUtils.hasText(validator);
boolean schemaLocationDefined = StringUtils.hasText(schemaLocation);
if (!(validatorDefined ^ schemaLocationDefined)) {
throw new BeanDefinitionStoreException(
"Exactly one of 'xml-validator' or 'schema-location' is allowed on the 'validating-filter' element");
}
if (schemaLocationDefined) {
selectorBuilder.addConstructorArgValue(schemaLocation);
// it is a restriction with the default value of 'xml-schema' which
// corresponds to 'http://www.w3.org/2001/XMLSchema'
String schemaType = element.getAttribute("schema-type");
selectorBuilder.addConstructorArgValue(schemaType);
}
else {
selectorBuilder.addConstructorArgReference(validator);
}
IntegrationNamespaceUtils.setValueIfAttributeDefined(selectorBuilder, element, "throw-exception-on-rejection");
filterBuilder.addPropertyValue("targetObject", selectorBuilder.getBeanDefinition());
IntegrationNamespaceUtils.setValueIfAttributeDefined(filterBuilder, element, "send-timeout");
return filterBuilder;
}
}